150 lines
4.4 KiB
C
150 lines
4.4 KiB
C
/*
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* 模块名称：UI Menu (菜单页面构建)
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* 模块功能：基于 lv_menu 复现 DTU-HMI 树形菜单，支持方向键导航与返回
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* 适用平台：STM32F407ZGTx
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* 作者：王建锋
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* 创建日期：2026-08-29
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* 修改记录：
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* 2026-08-29 王建锋 创建初始版本
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*/
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#include "ui_menu.h"
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#include "lvgl.h"
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#define DBG_TAG "[UI_MENU]"
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#include "dbg_log.h"
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/* 菜单节点表（简化自 DTU-HMI menuTab）：层级 + 名称 */
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typedef struct {
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uint8_t level; /* 0=根页面, 1..3=子层次 */
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const char *name;
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} ui_menu_node_t;
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static const ui_menu_node_t g_menu_tab[] = {
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{0, "主界面"},
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{1, "装置信息"},
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{1, "实时数据"},
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{2, "交流量"},
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{2, "直流量"},
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{2, "开入量"},
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{1, "定值参数"},
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{2, "定值"},
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{3, "定值"},
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{3, "遥调"},
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{3, "零压"},
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{3, "电压"},
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{2, "查看"},
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{3, "定值"},
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{3, "遥调"},
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{3, "零压"},
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{3, "电压"},
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{1, "遥测量"},
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{2, "测量值"},
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{2, "遥调系数"},
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{2, "遥测系数"},
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{2, "双字节"},
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{2, "装置遥调"},
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{1, "装置维护"},
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{2, "时间设置"},
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{2, "强制复归"},
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{2, "手动录波"},
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{2, "自动录波"},
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{1, "通讯设置"},
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{2, "通讯参数"},
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{2, "网络配置"},
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{2, "SNTP设置"},
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{1, "记录查询"},
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{2, "SOE记录"},
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{2, "事故记录"},
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{2, "操作记录"},
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{2, "告警记录"},
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{2, "变位告警"},
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{2, "遥信记录"},
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{2, "自检记录"},
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{2, "定值记录"},
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{2, "录波记录"},
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{0, "厂家设置"},
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{1, "元件设置"},
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{1, "恢复默认"},
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{2, "全部恢复"},
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{2, "默认参数"},
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{2, "默认定值"},
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{2, "默认系数"},
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{2, "电压"},
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{2, "元件参数"},
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{1, "版本显示"},
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{1, "装置遥调"},
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{2, "测量遥调"},
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{2, "装置遥调"},
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{2, "直流遥调"},
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{2, "开出遥调"},
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{2, "装置记录"},
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{2, "告警记录"},
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{2, "遥调记录"},
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{2, "信号复归"},
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{1, "版本信息"},
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};
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/*
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* 函数功能：构建菜单（lv_menu 页面树），复现参考项目菜单结构
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* 入口参数：无
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* 返回值：0 - 成功，其他 - 失败（对象创建失败）
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* 限定条件：ui_port_init() 已成功调用，活动屏幕存在
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* 函数说明：1. 仅构建主页面（根页 + 一级菜单项），子树暂不构建以控制内存占用
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* 2. 文本全部使用静态字符串（不 strdup），减少 LVGL 堆分配
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* 3. 构建中监控 LVGL 池空闲内存，不足时中止而非崩溃
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*/
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int ui_menu_init(void)
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{
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lv_obj_t *menu = lv_menu_create(lv_screen_active());
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if (menu == NULL) {
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return -1;
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}
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lv_obj_set_size(menu, 160, 160);
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lv_menu_set_mode_root_back_button(menu, LV_MENU_ROOT_BACK_BUTTON_ENABLED);
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lv_group_add_obj(lv_group_get_default(), menu);
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/* 仅构建主页面：根页 + 一级菜单项（静态文本，不建子树，省内存） */
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lv_obj_t *root_page = lv_menu_page_create(menu, NULL);
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if (root_page == NULL) {
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return -1;
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}
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lv_menu_set_page_title_static(root_page, "主界面");
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lv_mem_monitor_t mon;
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lv_mem_monitor(&mon);
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DBG_INFO("menu build start: total=%u free=%u big=%u",
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(unsigned)mon.total_size,
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(unsigned)mon.free_size, (unsigned)mon.free_biggest_size);
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uint32_t n = sizeof(g_menu_tab) / sizeof(g_menu_tab[0]);
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for (uint32_t i = 1; i < n; i++) {
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if (g_menu_tab[i].level != 1) {
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continue; /* 只显示一级菜单项，子树暂不构建 */
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}
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/* 内存警戒：空闲池不足则中止，避免 LVGL 内部 NULL 解引用崩溃 */
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lv_mem_monitor(&mon);
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if (mon.free_biggest_size < 1024) {
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DBG_ERROR("menu mem low: abort at item %u (free=%u big=%u)",
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(unsigned)i, (unsigned)mon.free_size,
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(unsigned)mon.free_biggest_size);
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break;
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}
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const char *name = g_menu_tab[i].name;
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lv_obj_t *item = lv_menu_cont_create(root_page);
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lv_obj_t *lbl = lv_label_create(item);
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lv_label_set_text_static(lbl, name);
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}
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lv_menu_set_page(menu, root_page);
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lv_mem_monitor(&mon);
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DBG_INFO("menu build done: total=%u free=%u big=%u used=%u",
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(unsigned)mon.total_size,
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(unsigned)mon.free_size, (unsigned)mon.free_biggest_size,
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(unsigned)(mon.total_size - mon.free_size));
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return 0;
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}
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